Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2023-2828

26
FAUCET Score

CVE-2023-2828 is a denial-of-service vulnerability affecting BIND 9 versions 9.11.0 through 9.16.41, 9.18.0 through 9.18.15, and others, including specific Debian, Fedora, ISC, and NetApp products. An attacker can remotely trigger this vulnerability by sending specific DNS queries, causing the named instance's cache to exceed its configured size limit, leading to resource exhaustion. With a CVSS score of 7.5 (High), this vulnerability has a low attack complexity and can result in a complete denial of service. There is currently no evidence of active exploitation, nor are public exploit codes available, and community discussion and media coverage are minimal.

Impacted Technologies

VendorProductVersion(s)CPE
>= 9.11.0, <= 9.16.41CPE matchmatch criteria
cpe:2.3:a:isc:bind:*:*:*:*:-:*:*:*
>= 9.11.3, <= 9.16.41CPE matchmatch criteria
cpe:2.3:a:isc:bind:*:*:*:*:supported_preview:*:*:*
>= 9.18.0, <= 9.18.15CPE matchmatch criteria
cpe:2.3:a:isc:bind:*:*:*:*:-:*:*:*
>= 9.18.11, <= 9.18.15CPE matchmatch criteria
cpe:2.3:a:isc:bind:*:*:*:*:supported_preview:*:*:*
>= 9.19.0, <= 9.19.13CPE matchmatch criteria
cpe:2.3:a:isc:bind:*:*:*:*:-:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
3.78%
Probability of exploitation in next 30 days
EPSS Percentile
88.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0378 is in the 80th percentile among its peer group of 51,553 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (20)

consensyspatch availablevia llm_extracted
Fixed in: 9.18.16-S1
View patch
microsoftpatch availablevia msrc
Product: cm1 bind 9.16.37-2 on CBL Mariner 1.0Fixed in: 9.16.37-2
microsoftpatch availablevia msrc
Product: cbl2 bind 9.16.33-2 on CBL Mariner 2.0Fixed in: 9.16.33-2
microsoftpatch availablevia msrc
Product: cbl2 dhcp 4.4.2-5 on CBL Mariner 2.0Fixed in: 4.4.2-5
nessuspatch availablevia llm_extracted
Fixed in: 9.18.16-S1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.2 Telecommunications Update ServiceFixed in: bind-32:9.11.13-6.el8_2.5
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.2 Update Services for SAP SolutionsFixed in: bind-32:9.11.13-6.el8_2.5
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update SupportFixed in: bind-32:9.11.26-4.el8_4.2
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.4 Telecommunications Update ServiceFixed in: bind-32:9.11.26-4.el8_4.2
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.4 Update Services for SAP SolutionsFixed in: bind-32:9.11.26-4.el8_4.2
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: bind-32:9.11.4-26.P2.el7_9.14
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.6 Extended Update SupportFixed in: bind-32:9.11.36-3.el8_6.4
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: bind-32:9.16.23-11.el9_2.1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 9.0 Extended Update SupportFixed in: bind-32:9.16.23-1.el9_0.2
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.6 Extended Update SupportFixed in: bind9.16-32:9.16.23-0.7.el8_6.2
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: bind9.16-32:9.16.23-0.14.el8_8.1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: bind-32:9.11.36-8.el8_8.1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.1 Update Services for SAP SolutionsFixed in: bind-32:9.11.4-26.P2.el8_1.7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8.2 Advanced Update SupportFixed in: bind-32:9.11.13-6.el8_2.5
View patch
alistgovendor investigatingvia llm_extracted
View patch

Vendor Advisories (5)

redhatCVE-2023-2828Important

bind: named's configured cache size limit can be significantly exceeded

Jun 21, 2023
microsoft2023-Jun/CVE-2023-2828Important

named's configured cache size limit can be significantly exceeded

Jun 13, 2023
nessusllm-nessus-8785edb33bbeb61b
alistgollm-alistgo-f1046effcc42d736

named's configured cache size limit can be significantly exceeded

consensysllm-consensys-c3c327c2caa2ddbc

References

kb.isc.org / docs/cve-2023-2828
Vendor Advisory
lists.debian.org / debian-lts-announce/2023/07/msg00021.html
Mailing ListThird Party Advisory
lists.fedoraproject.org / archives/list/[email protected]/message/SEFCEVCTYEMKTWA7V7EYPI5YQQ4JWDLI
Mailing ListThird Party Advisory
lists.fedoraproject.org / archives/list/[email protected]/message/U3K6AJK7RRSR53HRF5GGKPA6PDUDWOD2
Mailing ListThird Party Advisory
security.netapp.com / advisory/ntap-20230703-0010
Third Party Advisory
debian.org / security/2023/dsa-5439
Third Party Advisory
openwall.com / lists/oss-security/2023/06/21/6
Mailing ListPatchThird Party Advisory